Rain is usually made of water, but elsewhere in the Solar System the weather can be unimaginably different. Scientists from SLAC National Accelerator Laboratory believe that on two giant planets, ...

The groundbreaking Nancy Grace Roman Space Telescope is scheduled to launch from the Kennedy Space Center in Florida on Aug.

The hot Jupiter WASP-39 b, a gas giant orbiting so close to its star that one face permanently bakes in stellar radiation while the other stays in shadow, has two atmospheric profiles so different ...

Astrophysicists have gained precious new insights into how distant exoplanets form and what their atmospheres can look like, after using the James Webb Telescope to image two young exoplanets in ...

A groundbreaking super-puff planet discovery has revealed two giant exoplanets with densities below cotton candy, changing how scientists understand alien worlds. These Jupiter-sized planets show that ...

An artist’s depiction of an exoplanet larger than Earth and smaller than Neptune. A blue planet in the foreground blocks the light of a star. Recent high-temperature, high-pressure experiments suggest ...

Before the Voyager 2 flyby of Uranus and Neptune, these two distant planets were thought to be cold, dead worlds on the outskirts of the solar system. The historic spacecraft visit, however, revealed ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

TOI-5882 looks, at first glance, like an ordinary sun-like star. However, its outer layers hold more lithium than astronomers ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Olivia Harper Wilkins, Dickinson College (THE CONVERSATION) Astronomers can use ...

Astronomers have observed the intense heating of a distant planet as it swung close to its parent star, providing important clues to the atmospheric properties of the planet. The observations enabled ...